103143210 has 64 divisors (see below), whose sum is σ = 265075200. Its totient is φ = 25607232.

The previous prime is 103143181. The next prime is 103143223. The reversal of 103143210 is 12341301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 103143210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32097 + ... + 35163.

It is an arithmetic number, because the mean of its divisors is an integer number (4141800).

Almost surely, 2^103143210 is an apocalyptic number.

103143210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 103143210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132537600).

103143210 is an abundant number, since it is smaller than the sum of its proper divisors (161931990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103143210 is a wasteful number, since it uses less digits than its factorization.

103143210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 103143210 is about 10155.9445646380. The cubic root of 103143210 is about 468.9719645667.

Adding to 103143210 its reverse (12341301), we get a palindrome (115484511).

The spelling of 103143210 in words is "one hundred three million, one hundred forty-three thousand, two hundred ten".